Fire-extinguisher



J. W. LONGSTRETH.

FIRE EXTINGUISHER.

APPLICATION FILED FEB. 9, 1920.

Patented July 6, 1920;

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J. W. LONGSTRETH.

FIRE EXTINGUISHER.

APPLICATION FILED FEB. 9. 1920.

1 346 035 Patented July 6, 1920.

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INVENTOR BY W WITNESS' ATTORNEY UNITD STATES PATENT oFFicE.

FIRE-EXTINGUISHEE.

1 canoes.

Specification of Letters Patent.

Patented. July 6; 1920.

Application filed February 9 1920. Serial No. 357,126.

To all whom it may concern:

lie it known that l Flown W. Lonos'rnn'rri, a citizen oi. the UnitedStates, residing at \layneslnirg, in the county of Greene and State ofleni'isylVania, have invented new and uselful ill'lPl'OlQHlOllllS inFire-Extinguishers, of which the following is a specilication.

This invention relates to lire extinguishers and has for its object theprovision of a lire extinguisher so constructedas to feed chemi' calsinto water or other suitable liquid whereby to form a solution or gascharged liquid which will not support combustion and which willtherefore be elltective in putting out a lire when squirted thereonto.

An in'lportant object is the provision of a device of this character inwhich the construction is such that the solid chemicals will be teduniformly into the water or other liquid, the latter flowing continuallythrough the device.

An additional object is the provision of a device of this characterwhich will. be simple and inexpensive in mamifacture, easy to use, notlikely to get out of order, and a general improvement in the art.

With the above and other objects and advantages in view, the inventionconsists in the details of construction to be hereinafter more fullydescribed and claimed, and illustrated in the accompanying drawings inwhich- Figure l is a side elevation 01? the device,

Fig. 2 is an end elevation,

Fig. 3 is a longitudinal sectional view, and.

Fig. 4: is a vertical cross sectional view.

Referring more particiiilarly to the drawings the nume 'al 10 designatesthe casing which includes a lower portion 11 having a liquid inlet 12and an outlet 13 at opposite ends thereof. Ballle plates 14 are locatedwithin the portion 11 and are arranged in inclined position, as shown.

The casing further includes a substantially cylindrical intermediateportion 15 which has a slightly tapered bore 16 and rotatablymountedwithin this cylindrical portion is a drum 17 also tapered andhaving its periphery formed with a plurality of pockets 18. .t one endthe drum 1'? is provided with a shaft 19 journaled through the casingand at its other end is provided with a screw 2h which extends throughthe casing and which is surrounded by a coil spring 21, the

purpose of which is to draw the drum into close engagement with thebore.

The casing 10 further includes a laterally enlarged portion 22 locatedabove and communicating with the cylindrical portion 15 and locatedwithin this portion are drums 23 and 23 which are star-shaped in crosssection and which are adapted to rotate in opposite directions. At oneend the drums 23 and 24 are provided with stubs 25 journaled through oneside of the casing and at the other end are provided with stubs 26journaled through the other side of the casing.

The casing ll) further includes a hopper 27 disposed above andcommunicating with the portion 22 and into which are placed thechemicals to be used.

The projecting stubs 26 carry gears 28 which intermesh and one stub isprovided with a crank handle 29. One gear 28 meshes with a gear 30suitably journaled upon the casing and this gear in turn meshes with agear 31 secured upon the stub 19.

In the operation of the device water is passed through the lower portion11 of the casing, passing in the inlet 12 and out through the outlet 13,and in actual practice it is of course apparent that some suitable hoseor pipe be connected with the outlet 13. The chemicals are fed into thehopper 27. The operator rotates the crank han' dle 29 which results inmovement of the drums 23 and 24- toward each other which permits thechemicals to pass from the hopper down onto the drum 17, the pockets 18of. which will of course be filled. Through the instrumentality of thegear 30 and gear 31 the drum 17 will be rotated and the pockets will besuccessively brought to the bottom of the casing section 15 so that thecontents of the pockets will be dumped onto the uppermost baffle plate14 and the stream of water passing over this balfle plate will carry thechemicals therefrom, onto the lower balile plate and during this timethe chemicals will be dissolved so that a chemical solution will leavethrough the outlet 13. It is well known that there are various chemicalswhich might be employed in connection with my device and it is believedthat a detail statement as to what might be used is unnecessary.

lVhile I have shown and described the preferred embodiment of myinvention, it is of course to be understood that I reserve tion providedwith 'water inlet and outlet openings, a substantially cylindricalportion located above and communicating with said lower portion, arotary drum Within said cylindrical portion having its peripheryprovided with pockets, said casin l urther including a laterallyenlarged portion with in and communicating with said cylindricalportion,a pair of feed drums within said last named portion androtatable inoppo- 7 site directions, a hopper leading into the topofsaid last named casing portion, and means for simultaneously rotatingsaid feed drums and said first named drum.

openings, superposed baflle plates "within said lower portion, asubstantially cylindrical portion above and communicating w1th saidlower portlon, a rotary drum within said cylindrical port1on having itsperiphery provided with "a plurality of pockets,

said casing further including a laterally enlarged portion above andcommunicating with the cylindrical portion, and a hopper above andcommunicating with the laterally enlarged portion, a pair of feed drumswithin saidlaterally enlarged portion and each formed star-shaped incross section, means forro tating said feed drums in oppositedirections,'and means for simultaneously rotating said first named drumwith said feed drums.

In testimony whereof I afiix my signature.

JOHN W, LONGSTRETl-L'

